ICD-10-CM › Z00-Z99 › Z20-Z29 › Z28.31 Underimmunization for COVID-19 status › Z28.310
Z28.310
Unvaccinated for COVID-19
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2022 to now.
- April 2022 Added to the code set Unvaccinated for COVID-19
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from Z28 Immunization not carried out and underimmunization status
Code also
- , if applicable, encounter for immunization safety counseling (Z71.85)
Includes
- vaccination not carried out
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- SARS-CoV-2
- Inoculation
- Unimmunized
- Immunization
- Long > COVID
- Unvaccinated
- Coronavirus > 2019
- Need > vaccination
- Postsurgery status
- Need > immunization
- Vaccination > partial
- Coronavirus > COVID-19
- Immunization > partial
- Vaccination > not done
- Immunization > not done
- Coronavirus > coronavirus-19
- Infection, infected, infective > COVID-19
- Infection, infected, infective > SARS-CoV-2
- Coagulation, intravascular > COVID-19 associated
- Syndrome > severe acute respiratory > coronavirus 2
- COVID-19 > unvaccinated
- Unimmunized > for COVID-19
- Unvaccinated > for COVID-19
- Underimmunization status > COVID-19 > unvaccinated
- Status > underimmunization > COVID-19 > unvaccinated
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Z28.311 | Partially vaccinated for COVID-19 | Valid |